7781820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5639}}^1$

素因数の和:5674

約数の個数: 48

約数和(自身を含む): 22740480

約数和(自身を除く): 14958660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 5639, 11278, 16917, 22556, 28195, 33834, 56390, 67668, 84585, 112780, 129697, 169170, 259394, 338340, 389091, 518788, 648485, 778182, 1296970, 1556364, 1945455, 2593940, 3890910, 7781820]

約数ペア:

[(1, 7781820), (2, 3890910), (3, 2593940), (4, 1945455), (5, 1556364), (6, 1296970), (10, 778182), (12, 648485), (15, 518788), (20, 389091), (23, 338340), (30, 259394), (46, 169170), (60, 129697), (69, 112780), (92, 84585), (115, 67668), (138, 56390), (230, 33834), (276, 28195), (345, 22556), (460, 16917), (690, 11278), (1380, 5639)]